1 (* Copyright (C) 2004-2005, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
35 module Stack = Continuationals.Stack
37 let cicBrowsers = ref []
39 let tab_label meta_markup =
42 | `Closed m -> sprintf "<s>%s</s>" (aux m)
43 | `Current m -> sprintf "<b>%s</b>" (aux m)
44 | `Shift (pos, m) -> sprintf "|<sub>%d</sub>: %s" pos (aux m)
45 | `Meta n -> sprintf "?%d" n
47 let markup = aux meta_markup in
48 (GMisc.label ~markup ~show:true ())#coerce
50 let goal_of_switch = function Stack.Open g | Stack.Closed g -> g
52 class sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) () =
54 method cicMathView = cicMathView (** clickableMathView accessor *)
57 val mutable switch_page_callback = None
58 val mutable page2goal = [] (* associative list: page no -> goal no *)
59 val mutable goal2page = [] (* the other way round *)
60 val mutable goal2win = [] (* associative list: goal no -> scrolled win *)
61 val mutable _metasenv = [],[]
62 val mutable scrolledWin: GBin.scrolled_window option = None
63 (* scrolled window to which the sequentViewer is currently attached *)
64 val logo = (GMisc.image
65 ~file:(MatitaMisc.image_path "matita_medium.png") ()
68 val logo_with_qed = (GMisc.image
69 ~file:(MatitaMisc.image_path "matita_small.png") ()
73 notebook#set_show_tabs false;
74 ignore(notebook#append_page logo)
76 method load_logo_with_qed =
77 notebook#set_show_tabs false;
78 ignore(notebook#append_page logo_with_qed)
81 cicMathView#remove_selections;
82 (match scrolledWin with
84 (* removing page from the notebook will destroy all contained widget,
85 * we do not want the cicMathView to be destroyed as well *)
86 w#remove cicMathView#coerce;
89 (match switch_page_callback with
91 GtkSignal.disconnect notebook#as_widget id;
92 switch_page_callback <- None
94 for i = 0 to pages do notebook#remove_page 0 done;
95 notebook#set_show_tabs true;
102 method nload_sequents : 'status. #GrafiteTypes.status as 'status -> unit
103 = fun (status : #GrafiteTypes.status) ->
104 let _,_,metasenv,subst,_ = status#obj in
105 _metasenv <- metasenv,subst;
107 let win goal_switch =
109 GBin.scrolled_window ~hpolicy:`AUTOMATIC ~vpolicy:`ALWAYS
110 ~shadow_type:`IN ~show:true () in
112 scrolledWin <- Some w;
113 (match cicMathView#misc#parent with
117 match cicMathView#misc#parent with
119 | Some p -> GContainer.cast_container p
121 parent#remove cicMathView#coerce);
122 w#add cicMathView#coerce
124 goal2win <- (goal_switch, reparent) :: goal2win;
128 let stack_goals = Stack.open_goals status#stack in
129 let proof_goals = List.map fst metasenv in
131 HExtlib.list_uniq (List.sort Pervasives.compare stack_goals)
132 <> List.sort Pervasives.compare proof_goals
134 prerr_endline ("STACK GOALS = " ^ String.concat " " (List.map string_of_int stack_goals));
135 prerr_endline ("PROOF GOALS = " ^ String.concat " " (List.map string_of_int proof_goals));
141 function Stack.Open i ->`Meta i | Stack.Closed i ->`Closed (`Meta i)
144 let added_goals = ref [] in
145 (* goals can be duplicated on the tack due to focus, but we should avoid
146 * multiple labels in the user interface *)
147 let add_tab markup goal_switch =
148 let goal = Stack.goal_of_switch goal_switch in
149 if not (List.mem goal !added_goals) then begin
150 ignore(notebook#append_page
151 ~tab_label:(tab_label markup) (win goal_switch));
152 page2goal <- (!page, goal_switch) :: page2goal;
153 goal2page <- (goal_switch, !page) :: goal2page;
156 added_goals := goal :: !added_goals
159 let add_switch _ _ (_, sw) = add_tab (render_switch sw) sw in
160 Stack.iter (** populate notebook with tabs *)
161 ~env:(fun depth tag (pos, sw) ->
163 match depth, pos with
164 | 0, 0 -> `Current (render_switch sw)
165 | 0, _ -> `Shift (pos, `Current (render_switch sw))
166 | 1, pos when Stack.head_tag status#stack = `BranchTag ->
167 `Shift (pos, render_switch sw)
168 | _ -> render_switch sw
171 ~cont:add_switch ~todo:add_switch
173 switch_page_callback <-
174 Some (notebook#connect#switch_page ~callback:(fun page ->
176 try List.assoc page page2goal with Not_found -> assert false
178 self#render_page status ~page ~goal_switch))
180 method private render_page:
181 'status. #ApplyTransformation.status as 'status -> page:int ->
182 goal_switch:Stack.switch -> unit
183 = fun status ~page ~goal_switch ->
184 (match goal_switch with
186 let menv,subst = _metasenv in
187 cicMathView#nload_sequent status menv subst goal
188 | Stack.Closed goal ->
189 let root = Lazy.force closed_goal_mathml in
190 cicMathView#load_root ~root);
192 cicMathView#set_selection None;
193 List.assoc goal_switch goal2win ();
194 (match cicMathView#misc#parent with
197 (* The text widget dinamycally inserts the text in a separate
198 thread. We need to wait for it to terminate before we can
199 move the scrollbar to the end *)
200 while Glib.Main.pending()do ignore(Glib.Main.iteration false); done;
202 new GBin.scrolled_window
203 (Gobject.try_cast p#as_widget "GtkScrolledWindow") in
204 (* The double change upper/lower is to trigger the emission of
206 w#hadjustment#set_value w#hadjustment#upper;
207 w#hadjustment#set_value w#hadjustment#lower;
208 w#vadjustment#set_value
209 (w#vadjustment#upper -. w#vadjustment#page_size));
210 with Not_found -> assert false)
212 method goto_sequent: 'status. #ApplyTransformation.status as 'status -> int -> unit
214 let goal_switch, page =
217 (function Stack.Open g, _ | Stack.Closed g, _ -> g = goal)
219 with Not_found -> assert false
221 notebook#goto_page page;
222 self#render_page status ~page ~goal_switch
225 let blank_uri = BuildTimeConf.blank_uri
226 let current_proof_uri = BuildTimeConf.current_proof_uri
229 [ `Ast of NotationPt.term
230 | `NCic of NCic.term * NCic.context * NCic.metasenv * NCic.substitution
234 class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history)
239 "^cic:/([^/]+/)*[^/]+\\.(con|ind|var)(#xpointer\\(\\d+(/\\d+)+\\))?$"
241 let dir_RE = Pcre.regexp "^cic:((/([^/]+/)*[^/]+(/)?)|/|)$" in
242 let is_uri txt = Pcre.pmatch ~rex:uri_RE txt in
243 let is_dir txt = Pcre.pmatch ~rex:dir_RE txt in
244 let gui = MatitaMisc.get_gui () in
245 let win = new MatitaGeneratedGui.browserWin () in
246 let _ = win#browserUri#misc#grab_focus () in
247 let gviz = LablGraphviz.graphviz ~packing:win#graphScrolledWin#add () in
249 GSourceView2.source_view ~auto_indent:false ~editable:false ()
252 win#scrolledwinContent#add (searchText :> GObj.widget);
254 let text = win#entrySearch#text in
255 let highlight start end_ =
256 searchText#source_buffer#move_mark `INSERT ~where:start;
257 searchText#source_buffer#move_mark `SEL_BOUND ~where:end_;
258 searchText#scroll_mark_onscreen `INSERT
260 let iter = searchText#source_buffer#get_iter `SEL_BOUND in
261 match iter#forward_search text with
263 (match searchText#source_buffer#start_iter#forward_search text with
265 | Some (start,end_) -> highlight start end_)
266 | Some (start,end_) -> highlight start end_
268 ignore(win#entrySearch#connect#activate ~callback);
269 ignore(win#buttonSearch#connect#clicked ~callback);
271 let toplevel = win#toplevel in
272 let mathView = cicMathView ~packing:win#scrolledBrowser#add () in
274 MatitaGtkMisc.report_error ~title:"Cic browser" ~message
278 [ "dir", GdkPixbuf.from_file (MatitaMisc.image_path "matita-folder.png");
279 "obj", GdkPixbuf.from_file (MatitaMisc.image_path "matita-object.png") ]
281 let b = (not (Helm_registry.get_bool "matita.debug")) in
287 fail (snd (MatitaExcPp.to_string exn))
290 let handle_error' f = (fun () -> handle_error (fun () -> f ())) in
291 let load_easter_egg = lazy (
292 win#browserImage#set_file (MatitaMisc.image_path "meegg.png"))
295 let module Pp = GraphvizPp.Dot in
296 let filename, oc = Filename.open_temp_file "matita" ".dot" in
297 let fmt = Format.formatter_of_out_channel oc in
298 let status = (get_matita_script_current ())#status in
302 ~graph_attrs:["overlap", "false"]
303 ~node_attrs:["fontsize", "9"; "width", ".4";
304 "height", ".4"; "shape", "box"]
305 ~edge_attrs:["fontsize", "10"; "len", "2"] fmt;
306 NCicUnifHint.generate_dot_file status fmt;
310 gviz#load_graph_from_file ~gviz_cmd:"neato -Tpng" filename;
311 (*HExtlib.safe_remove filename*)
313 let load_coerchgraph tred () =
314 let module Pp = GraphvizPp.Dot in
315 let filename, oc = Filename.open_temp_file "matita" ".dot" in
316 let fmt = Format.formatter_of_out_channel oc in
319 ~node_attrs:["fontsize", "9"; "width", ".4"; "height", ".4"]
320 ~edge_attrs:["fontsize", "10"] fmt;
321 let status = (get_matita_script_current ())#status in
322 NCicCoercion.generate_dot_file status fmt;
327 gviz#load_graph_from_file
328 ~gviz_cmd:"dot -Txdot | tred |gvpack -gv | dot" filename
330 gviz#load_graph_from_file
331 ~gviz_cmd:"dot -Txdot | gvpack -gv | dot" filename;
332 HExtlib.safe_remove filename
335 val mutable gviz_uri = NReference.reference_of_string "cic:/dummy.dec";
337 val dep_contextual_menu = GMenu.menu ()
340 win#mathOrListNotebook#set_show_tabs false;
341 win#browserForwardButton#misc#set_sensitive false;
342 win#browserBackButton#misc#set_sensitive false;
343 ignore (win#browserUri#connect#activate (handle_error' (fun () ->
344 self#loadInput win#browserUri#text)));
345 ignore (win#browserHomeButton#connect#clicked (handle_error' (fun () ->
346 self#load (`About `Current_proof))));
347 ignore (win#browserRefreshButton#connect#clicked
348 (handle_error' (self#refresh ~force:true)));
349 ignore (win#browserBackButton#connect#clicked (handle_error' self#back));
350 ignore (win#browserForwardButton#connect#clicked
351 (handle_error' self#forward));
352 ignore (win#toplevel#event#connect#delete (fun _ ->
353 let my_id = Oo.id self in
354 cicBrowsers := List.filter (fun b -> Oo.id b <> my_id) !cicBrowsers;
356 ignore(win#whelpResultTreeview#connect#row_activated
357 ~callback:(fun _ _ ->
358 handle_error (fun () -> self#loadInput (self#_getSelectedUri ()))));
359 mathView#set_href_callback (Some (fun uri ->
360 handle_error (fun () ->
361 let uri = `NRef (NReference.reference_of_string uri) in
363 gviz#connect_href (fun button_ev attrs ->
364 let time = GdkEvent.Button.time button_ev in
365 let uri = List.assoc "href" attrs in
366 gviz_uri <- NReference.reference_of_string uri;
367 match GdkEvent.Button.button button_ev with
368 | button when button = MatitaMisc.left_button -> self#load (`NRef gviz_uri)
369 | button when button = MatitaMisc.right_button ->
370 dep_contextual_menu#popup ~button ~time
372 connect_menu_item win#browserCloseMenuItem (fun () ->
373 let my_id = Oo.id self in
374 cicBrowsers := List.filter (fun b -> Oo.id b <> my_id) !cicBrowsers;
375 win#toplevel#misc#hide(); win#toplevel#destroy ());
376 connect_menu_item win#browserUrlMenuItem (fun () ->
377 win#browserUri#misc#grab_focus ());
379 self#_load (`About `Blank);
382 val mutable current_entry = `About `Blank
384 (** @return None if no object uri can be built from the current entry *)
385 method private currentCicUri =
386 match current_entry with
387 | `NRef uri -> Some uri
391 new MatitaGtkMisc.taggedStringListModel tags win#whelpResultTreeview
393 val mutable lastDir = "" (* last loaded "directory" *)
395 method mathView = mathView
397 method private _getSelectedUri () =
398 match model#easy_selection () with
399 | [sel] when is_uri sel -> sel (* absolute URI selected *)
400 (* | [sel] -> win#browserUri#entry#text ^ sel |+ relative URI selected +| *)
401 | [sel] -> lastDir ^ sel
404 (** history RATIONALE
406 * All operations about history are done using _historyFoo.
407 * Only toplevel functions (ATM load and loadInput) call _historyAdd.
410 method private _historyAdd item =
412 win#browserBackButton#misc#set_sensitive true;
413 win#browserForwardButton#misc#set_sensitive false
415 method private _historyPrev () =
416 let item = history#previous in
417 if history#is_begin then win#browserBackButton#misc#set_sensitive false;
418 win#browserForwardButton#misc#set_sensitive true;
421 method private _historyNext () =
422 let item = history#next in
423 if history#is_end then win#browserForwardButton#misc#set_sensitive false;
424 win#browserBackButton#misc#set_sensitive true;
427 (** notebook RATIONALE
429 * Use only these functions to switch between the tabs
431 method private _showMath = win#mathOrListNotebook#goto_page 0
432 method private _showList = win#mathOrListNotebook#goto_page 1
433 method private _showEgg = win#mathOrListNotebook#goto_page 2
434 method private _showGviz = win#mathOrListNotebook#goto_page 3
435 method private _showSearch = win#mathOrListNotebook#goto_page 4
437 method private back () =
439 self#_load (self#_historyPrev ())
440 with MatitaMisc.History_failure -> ()
442 method private forward () =
444 self#_load (self#_historyNext ())
445 with MatitaMisc.History_failure -> ()
447 (* loads a uri which can be a cic uri or an about:* uri
448 * @param uri string *)
449 method private _load ?(force=false) entry =
450 handle_error (fun () ->
451 if entry <> current_entry || entry = `About `Current_proof || entry =
452 `About `Coercions || entry = `About `CoercionsFull || force then
455 | `About `Current_proof -> self#home ()
456 | `About `Blank -> self#blank ()
457 | `About `Us -> self#egg ()
458 | `About `CoercionsFull -> self#coerchgraph false ()
459 | `About `Coercions -> self#coerchgraph true ()
460 | `About `Hints -> self#hints ()
461 | `About `TeX -> self#tex ()
462 | `About `Grammar -> self#grammar ()
463 | `Check term -> self#_loadCheck term
464 | `NCic (term, ctx, metasenv, subst) ->
465 self#_loadTermNCic term metasenv subst ctx
466 | `Dir dir -> self#_loadDir dir
467 | `NRef nref -> self#_loadNReference nref);
471 method private blank () =
473 mathView#load_root (Lazy.force empty_mathml)
475 method private _loadCheck term =
476 failwith "not implemented _loadCheck";
479 method private egg () =
481 Lazy.force load_easter_egg
483 method private redraw_gviz ?center_on () =
484 if Sys.command "which dot" = 0 then
485 let tmpfile, oc = Filename.open_temp_file "matita" ".dot" in
486 let fmt = Format.formatter_of_out_channel oc in
487 (* MATITA 1.0 MetadataDeps.DepGraph.render fmt gviz_graph;*)
489 gviz#load_graph_from_file ~gviz_cmd:"tred | dot" tmpfile;
490 (match center_on with
492 | Some uri -> gviz#center_on_href (NReference.string_of_reference uri));
493 HExtlib.safe_remove tmpfile
495 MatitaGtkMisc.report_error ~title:"graphviz error"
496 ~message:("Graphviz is not installed but is necessary to render "^
497 "the graph of dependencies amoung objects. Please install it.")
498 ~parent:win#toplevel ()
500 method private dependencies direction uri () =
501 assert false (* MATITA 1.0
502 let dbd = LibraryDb.instance () in
505 | `Fwd -> MetadataDeps.DepGraph.direct_deps ~dbd uri
506 | `Back -> MetadataDeps.DepGraph.inverse_deps ~dbd uri in
507 gviz_graph <- graph; (** XXX check this for memory consuption *)
508 self#redraw_gviz ~center_on:uri ();
511 method private coerchgraph tred () =
512 load_coerchgraph tred ();
515 method private hints () =
519 method private tex () =
520 let b = Buffer.create 1000 in
521 Printf.bprintf b "UTF-8 equivalence classes (rotate with ALT-L):\n\n";
524 List.iter (fun sym ->
525 Printf.bprintf b " %s" (Glib.Utf8.from_unichar sym)
527 Printf.bprintf b "\n";
530 (fun l1 l2 -> compare (List.hd l1) (List.hd l2))
531 (Virtuals.get_all_eqclass ()));
532 Printf.bprintf b "\n\nVirtual keys (trigger with ALT-L):\n\n";
535 Printf.bprintf b " %s:\n" tag;
537 (fun names, symbol ->
538 Printf.bprintf b " \t%s\t%s\n"
539 (Glib.Utf8.from_unichar symbol)
540 (String.concat ", " names))
542 (fun (_,a) (_,b) -> compare a b)
544 Printf.bprintf b "\n")
546 (fun (a,_) (b,_) -> compare a b)
547 (Virtuals.get_all_virtuals ()));
548 self#_loadText (Buffer.contents b)
550 method private _loadText text =
551 searchText#source_buffer#set_text text;
552 win#entrySearch#misc#grab_focus ();
555 method private grammar () =
557 (Print_grammar.ebnf_of_term (get_matita_script_current ())#status);
559 method private home () =
561 let status = (get_matita_script_current ())#status in
562 match status#ng_mode with
563 `ProofMode -> self#_loadNObj status status#obj
566 method private _loadNReference (NReference.Ref (uri,_)) =
567 let status = (get_matita_script_current ())#status in
568 let obj = NCicEnvironment.get_checked_obj status uri in
569 self#_loadNObj status obj
571 method private _loadDir dir =
572 let content = Http_getter.ls ~local:false dir in
578 | Http_getter_types.Ls_section s -> "dir", s
579 | Http_getter_types.Ls_object o -> "obj", o.Http_getter_types.uri)
585 method private setEntry entry =
586 win#browserUri#set_text (MatitaTypes.string_of_entry entry);
587 current_entry <- entry
589 method private _loadNObj status obj =
590 (* showMath must be done _before_ loading the document, since if the
591 * widget is not mapped (hidden by the notebook) the document is not
594 mathView#load_nobject status obj
596 method private _loadTermNCic term m s c =
598 let m = (0,([],c,term))::m in
599 let status = (get_matita_script_current ())#status in
600 mathView#nload_sequent status m s d;
603 method private _loadList l =
604 model#list_store#clear ();
605 List.iter (fun (tag, s) -> model#easy_append ~tag s) l;
608 (** { public methods, all must call _load!! } *)
611 handle_error (fun () -> self#_load entry; self#_historyAdd entry)
613 (** this is what the browser does when you enter a string an hit enter *)
614 method loadInput txt =
615 let txt = HExtlib.trim_blanks txt in
616 (* (* ZACK: what the heck? *)
618 UriManager.string_of_uri
619 (UriManager.strip_xpointer (UriManager.uri_of_string txt))
624 | txt when is_uri txt ->
625 `NRef (NReference.reference_of_string ((*fix_uri*) txt))
626 | txt when is_dir txt -> `Dir (MatitaMisc.normalize_dir txt)
629 MatitaTypes.entry_of_string txt
630 with Invalid_argument _ ->
632 (GrafiteTypes.Command_error(sprintf "unsupported uri: %s" txt)))
635 self#_historyAdd entry
637 (** {2 methods used by constructor only} *)
640 method history = history
641 method currentEntry = current_entry
642 method refresh ~force () = self#_load ~force current_entry
646 let sequentsViewer ~(notebook:GPack.notebook) ~(cicMathView:cicMathView) ():
647 MatitaGuiTypes.sequentsViewer
649 (new sequentsViewer ~notebook ~cicMathView ():> MatitaGuiTypes.sequentsViewer)
651 let new_cicBrowser () =
652 let size = BuildTimeConf.browser_history_size in
653 let rec aux history =
654 let browser = new cicBrowser_impl ~history () in
655 let win = browser#win in
656 ignore (win#browserNewButton#connect#clicked (fun () ->
658 new MatitaMisc.browser_history ~memento:history#save size
661 let newBrowser = aux history in
662 newBrowser#load browser#currentEntry));
664 (* attempt (failed) to close windows on CTRL-W ... *)
665 MatitaGtkMisc.connect_key win#browserWinEventBox#event ~modifiers:[`CONTROL]
666 GdkKeysyms._W (fun () -> win#toplevel#destroy ());
668 cicBrowsers := browser :: !cicBrowsers;
671 let history = new MatitaMisc.browser_history size (`About `Blank) in
674 (** @param reuse if set reused last opened cic browser otherwise
675 * opens a new one. default is false *)
676 let cicBrowser ?(reuse=false) t =
679 (match !cicBrowsers with [] -> new_cicBrowser () | b :: _ -> b)
685 | Some t -> browser#load t
688 let default_cicMathView () =
689 let res = cicMathView ~show:true () in
690 res#set_href_callback
692 let uri = `NRef (NReference.reference_of_string uri) in
693 cicBrowser (Some uri)));
696 let cicMathView_instance =
697 MatitaMisc.singleton default_cicMathView
699 let default_sequentsViewer notebook =
700 let cicMathView = cicMathView_instance () in
701 sequentsViewer ~notebook ~cicMathView ()
703 let sequentsViewer_instance =
704 let already_used = ref false in
706 if !already_used then assert false
708 (already_used := true;
709 default_sequentsViewer notebook)
711 let refresh_all_browsers () =
712 List.iter (fun b -> b#refresh ~force:false ()) !cicBrowsers
714 let get_math_views () =
715 (cicMathView_instance ()) :: (List.map (fun b -> b#mathView) !cicBrowsers)
717 let find_selection_owner () =
720 | [] -> raise Not_found
722 (match mv#get_selections with
726 aux (get_math_views ())
728 let has_selection () =
729 try ignore (find_selection_owner ()); true
730 with Not_found -> false
732 let math_view_clipboard = ref None (* associative list target -> string *)
733 let has_clipboard () = !math_view_clipboard <> None
734 let empty_clipboard () = math_view_clipboard := None
736 let copy_selection () =
738 math_view_clipboard :=
739 Some ((find_selection_owner ())#strings_of_selection)
740 with Not_found -> failwith "no selection"
742 let paste_clipboard paste_kind =
743 match !math_view_clipboard with
744 | None -> failwith "empty clipboard"
746 (try List.assoc paste_kind cb with Not_found -> assert false)